Sony has launched a new flagship smartphone, dubbed as Xperia A4 (SO-04G), for NTT Docomo (carrier of Japan).

Notably, the Sony Xperia Z1f (SO-02F) was released as Z1 Compact and the Xperia A2 (SO-04F) was released for Xperia Z3 Compact last year, so it may Xperia A4 will be released as Xperia Z4 Compact soon.

The Sony Xperia A4 features a 4.6-inch (1280 x 720 pixels) Triluminos Display and is powered by 2.5 GHz quad-core Snapdragon 801 (MSM8974AC) processor, that runs on Android 5.0 (Lollipop) OS. Its back has matte finish.

The Xperia A4 is equipped with 2GB of RAM and the 16GB internal storage is further expandable with up to 128 GB microSD card. It measures 128 x 66 x 9.1 mm and weight is 129gms. It has IPX5,8 / IP6X rating for dust and water resistance.

The Sony Xperia A4 (SO-04G) comes in Grey, Pink, Blue and White colors. It will be available from NTT Docomo from mid-June 2015. However, there is no word on pricing yet. Sony has also introduced Xperia Z4 (SO-03G) and Z4 Tablet (SO-05G) for NTT Docomo.